TRIWONDER 1.5" Shoulder Strap Pad Nylon for Sling Backpack (Black (2-Pack)) Suitable for 1.5" straps, or less than 1.5", which makes you uncomfortable and non-padded straps, such as basketball drawstring bags. Breathable mesh lining under pad for breathability and comfort. By increasing the area of contact with your shoulder, you could feel more relaxed with your backpack. For tactical gear or to enhance packs and bags, sling, backpack. Also for your purse, Gym bag, Drawstring Bag, and other shouler bags. NOTE: If you carry a heavy bag on your back, it is not recommended that you use the shoulder pads to touch your skin directly.